Cartridge-feed mechanism



Nov. 24, m5. 1,563,052

' H. VQLLMER RIDGE FEE-D MECHANISM Huan :5, 1925 I certain new anduseful Cartridge-Feed Mechanism (for jwhich I .have filed the followingapplications: Ger- Patented Nov. '24, l 925.

" HEINRICH VOLLMER, or"

WURTTEMBERG, GERMANY.

CARTRIDGE-FEED MECHANISM.

Application filed August s, 1925.

To all rv'hom it may concern:

, Beit kno-wn that I, HEINRIo s VOLLMER, f Y residing at Wurtternberg,Germany, a citi-.

zen of the German Republic, have invented Improvements in 1 many, May'3,1924; Sweden, May 17 1924; Holland, May 19, 1924; Czechoslovakia, May

' 0 26, 1924);.of which the following is a speci- Accordingto thisinvention cartridges for machine guns, automati'c ordnance and auto"matic rifles or pistols are expelled by an. automatically rotatingdriver from i a magaxzine which is in cross-section circular but has i f.a'gap wherein there is mounted, by means of a suitable-bearing, anotchedwheel or starwheel, a portion of which lies within [an apertureof the magazine,"towards which the I ,-cartridges. are propelled, sothat during roqtation of the star wheel received one by one notches ofthe wheel, and are delivered-to '1 the loading mechanism.

' i The invention'isillustrated in the accom' panying drawing, showingan example of I the improved mechanism.

'Fig. 1 is'an end view, and

Fig. 2 a side view, p r Fig. 3 being a vertical cross-section to a Ilarger scale.

I 'In thedrawing hdesignates the magazine, .which is a truncated,,coni'cal drum with a gapnearly equal to a quadrant of the cone.

' Within this gap a bearing 6 is fixed tov the drum '71, by means of aflange a, and in the bearing is mounted a shafts having fixed to 'it astar-wheel d, aportion of which pro 9.

jects intothe drum, the latter having an aperture 2. in the gap. Thedrum. h is in- .ternally about equal in length to the cartridgesp, whichare droppedin loosely, forv F fwhich purpose'the drum has a door not.vi'si- N v ble inthe drawing. h

; At thejcenterof the drum h there "is a spindie 6, on which is mounteda radial cartridge *driver plate k urged around the spindle,- to-. Qwards the drum aperture '2, by a powerful the cartridges are azinesubstantially by successive gaps or .rotatably mounted in said means foryieldably urging specification.

Serial No. 47,861.

spring f, so that it propelsthecartridges-to; J wards that portionof'the star wheel which L The cartridges drop projects into the drum.

into the notches of the star-wheel, and are carried'out of the drum byrow in Fig. 3. I

'What I-claiin as my invention and dj sire to secure by Letters Patentof theUnited 7 States is 1 A cartridge feed mechanism for "ante. mat-1cfire-arms, comprising a cartridge inagazine substantially circular incross -section and having a gap therein substantially equal togaquadrant thereof; said magazine having 7 an. aperture opening into saidgap; and, means projecting through said aperture into rotation of thewheel in the'direction indioated byf the arthe magazine and adapted todischarge the cartridges through the aperture. 7 2. A cartridge feedmechanism for automatic fire-arms, comprising, a cartridge mag-'star-wheel rotatably mounted in said gap and having portions projectingthrough said aperture into said magazine, said star-wheel being adaptedto receiveacartridges and to discharge saine throughthe aperture.

3..A cartridge feed mechanism for auto matic fire-arms, comprising acartridgemag? azine substantially circular in cross-section j andhavlnga gap therein substantially equal tea quadrant thereof; saidmagazine having an aperture opening into said gap; ast ar wheelrotatably mounted in said gap and having portions projecting throughsaid aperture into the magazine, said star-wheel discharge same one byone through the aperture; a radially disposed cartridge .dri-ver' wards"said aperture. g g V In witness whereoffI have signed this;

being adapted to receive cartridges-and to 90 magazine and the driver'to- HEINRICH VOLLMER. f 'j

